GB/T 14352.16-1993 Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of selenium content-3,3'-diaminobenzidine photometric method (English Version)
This standard specifies the determination method of selenium content in tungsten ore and molybdenum ore. This standard is applicable to the determination of selenium content in tungsten ore and molybdenum ore, and the determination range is 2-500μg/g.
GB/T 14352.16-1993 history
2010GB/T 14352.16-2010 Methods for chemical analysis of tungsten ores and molybdenum ores.Part 16:Determination of selenium content
1993GB/T 14352.16-1993 Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of selenium content-3,3'-diaminobenzidine photometric method